28231640

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1531}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 63700560

約数和(自身を除く): 35468920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1531, 1844, 2305, 3062, 3688, 4610, 6124, 7655, 9220, 12248, 15310, 18440, 30620, 61240, 705791, 1411582, 2823164, 3528955, 5646328, 7057910, 14115820, 28231640]

約数ペア:

[(1, 28231640), (2, 14115820), (4, 7057910), (5, 5646328), (8, 3528955), (10, 2823164), (20, 1411582), (40, 705791), (461, 61240), (922, 30620), (1531, 18440), (1844, 15310), (2305, 12248), (3062, 9220), (3688, 7655), (4610, 6124)]